Results 311 to 320 of about 837,893 (365)

Dental crown morphological variation and heterodonty in carcharhiniform sharks

open access: yesThe Anatomical Record, EarlyView.
Abstract Elasmobranch teeth are highly mineralized structures that constitute the majority of the fossil record for this group. Despite their taxonomic and evolutionary significance, detailed descriptions of dental morphology remain scarce. The order Carcharhiniformes, the most diverse among sharks, comprises 304 valid species that display remarkable ...
Flávia Zanini, Karla D. A. Soares
wiley   +1 more source

The earth figs (Ficus, Moraceae) of Kapit, Sarawak,with five taxa new to science

open access: diamond
Elliot M. Gardner   +3 more
openalex   +1 more source

Endothermy, neuron counts, and other issues: Further remarks on neurocognitive evolution in fossil vertebrates

open access: yesThe Anatomical Record, EarlyView.
Abstract Last year, we challenged the view that large‐bodied theropod dinosaurs such as Tyrannosaurus rex resembled primates in cognition and behavior, a proposition made by Herculano‐Houzel in 2023. More recently, Jensen et al. have criticized our work on this topic, raising methodological and conceptual issues.
Kai R. Caspar   +5 more
wiley   +1 more source
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New Irregular Archaeocyath taxa

Geobios, 1990
Abstract New criteria have been established for classification of Irregular Archaeocyatha based on the trends in developmentof the intervallar elements and structures of outer and inner walls. This revision necessitates establishing new genera and sometimes new families to be consistent with the revised systematics.
Françoise Debrenne, Andrei Zhuravlev
openaire   +1 more source

New Taxa and New Combinations

Nelumbo, 2013
No abstract.
openaire   +1 more source

The Endomycetaceae: new concepts, new taxa

Canadian Journal of Botany, 1977
The Endomycetaceae is redefined and expanded to include yeasts and fungi bearing ascocarps or ascophores but is restricted to genera producing either galeate ascospores or other characteristics indicating affinities to the central genus Ceratocystis. The genus Endomyces is emended and a neotype is selected for the type species, E. decipiens. Endomyces
Scott A. Redhead, David W. Malloch
openaire   +1 more source

New taxa in Commelinaceae

Botanical Journal of the Linnean Society, 1981
Two new names are published: Gibasis venustula subsp. robusta D. R. Hunt and Tradescantia poelliaeT). R. Hunt.
openaire   +1 more source

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